Knitting machine



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A. E. ISCHINGER KNITTING MACHINE Filed Dec. 6v, 1937 I VENTOR.'

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lA. E. ISCHINGER KNITTING MACHINEI Filed De@ e, 1957 a sheets-sheet apositions.

Patented Dec. 16, 1941 KNITTIN G MACHINE Alfred E. Ischinger, Reading,Pa., signor to Textile Machine Works, Wyomisslng, Pa., a corporation ofPennsylvania Application December 6, 1937, Serial No.- 178,226

,21 claim.V

My invention relates to knitting machines, and particularly toimprovements in the operation and control of bars and the like, such asthe picot bars of full fashioned knitting machines.

In a full fashioned knitting machine, it has heretofore been usual tomanually move a picot bar between an upper inactive position, out of theway of the narrowing combs, and a lower active position adjacent to theneedles, in which latter position the points on the bar move between aplurality of locations relative to the needles, as in the dipping andshifting movements. Also, it has been heretofore suggested toautomatically move a picot bar between active and inactive positionsrelative to the needles.

Such arrangements have various disadvantages which are overcome by myinvention.

It is an object of my invention to provide'novel means in knittingmachines to effect the operation and control of bars and the like, suchas the picot bars of full fashioned knitting machines, that isparticularly adapted to automatic or partly automatic knitting machines.

Another object of my invention is to provide novel means in a knittingmachine including cooperating elements which occupy a, plurality ofdifferent active positions relative to each other, and in which thecooperating movements are automatically imparted to certain of theelements only when said Another object of my invention is to provide aelements are in one of the active novel knitting mechanism including oneor more A needle cooperating implements for movement between a pluralityof locations when positioned for cooperation with the machine needlemeansin one of which locations said implements have operative movement,and means is provided for locking said implements in each of saidplurality of locations.

Another object of my invention is to provide novel cam, follower anddetent means particularly adapted for knitting machines, in which the cam provides for continuous movement of the follower between active andinactive positions and between inactive and active relative to the cam,the detent holding the follower in the position considered as theinactive one and the cam operating means for releasing the detent.

Another object of the invention isv to provide the above-mentionedfeatures severally and in combination with each other, and with variousother elements to effect certain new and useful results.

A further object of the invention is to provide such novel means inaknitting machine that is simple and durable in construction, economicalto manufacture and'eil'ective in its operation.

With these and other objects in view, which will l become apparent fromthe following detailed description of the illustrative embodiment of theinvention shown in the accompanying drawings, my invention resides inthe novel elements, features of construction and arrangement of parts incooperative relationship as hereinafter more particularly pointedout inthe claims.

In the drawings:

Figure 1 is a top plan outline view of intermediate sections of amulti-section full fashioned knitting machine embodying. my invention,parts being omitted;

Fig. 2 is a view in front elevation of portions of the machine shown inFig. 1;

Fig. 3 is a view, taken cross sectionally of the machine of Figs. 1 and2, enlarged relative thereto; y

Fig. 4 is a top plan view, on a larger scale and more in detail thanFig. 1 of the machine thereof, showing end and intermediate sections,parts being omitted;

Fig. 5 is a view cross'sectionally of the machine, taken substantiallyalong the line 5-5 of Fig. 2, enlarged relative thereto;

Fig. 6 is a detail view, enlarged relative thereto, of the mechanismviewed in the directioniof the arrow F in Fig. 9;

Fig. 'l is a view of the upper right hand portion of Fig. 6, showingcorresponding parts of a, point shifting means in different positions;

Fig. 8 is a view of aportion of Fig. 7, toward the right hand sidethereof, showing corresponding parts of the point shifting means instill further positions;

Fig. 9 is a view taken cross sectionally of the machine substantiallyalong the line 9 9 of Fig. 6, but on a reduced scale relative thereto;

Fig. l0 is a view similar to Fig. 9, showing the parts thereof indiierent positions;

Fig. 11 is a detail sectional view taken along the line II-II of Fig.10;

Fig. 12 is a view similar to Figs. 9 and 10 showing the parts thereof infurther different positions;

Fig. 13 is a detail sectional view taken substantially along the line I3-13 of Fig. 6;

Fig. 14 is a detail sectional view taken substantially along the lineH-H of Fig. 13; 1

Fig. 15 is a sectional view taken substantially along the line IS-II ofFig. 6;

Fig. 16 is a sectional view taken substantiall alongthe line |8|8 ofFig.15;

Fig. 17 is a view of a lock mechanism of the invention, taken crosssectionally of the machine substantially along the line |1|1 of Fig. 2,enlarged relative thereto;

Fig. 18 is a detail front elevational View taken Fig. 19 is a sectionalview taken along the line |8|8 of Fig. 18;

Fig. 20 is a view similar to Fig. 19 of the parts thereof in differentposition; and

Fig. 21 is a detail sectional view taken along the line 2 I -2| of Fig.19.

In the drawings and description, only those parts necessary to acomplete understanding of the invention have been set forth; fu'Hereinforrnation as to the construction and ....eration of other'Aelements not herein specicf 'ily pointed out, but which are usual andwell known, being available in the pamphlet ventitled Full FashionedKnitting Machines," copyright 1920, and in the Reading Full FashionedKnitting Machine Catalogues, copyright 1929 and 1935, published by theTextile Machine Works, Reading, Pennsylvania, and in a pamphletentitled-Knitting Machine Lectures, published in 1935 by the WyomissingPolytechnic Institute, Wyomissing, Pennsylvania.

This invention is particularly adapted for use in machines of the typeillustrated in my Patent No. 2,101,048, issued December 7, 1937, butwill perform its function in machines of various other types withequaleiiiciency.

Referring to Figs. 1 and 2, a machine for which the invention is adaptedcomprises center frames I1, a iront beam I8, a back beam I9 and a frontbed 2|, constituting parts of a framework upon which the operating partsof the machine are mounted. Figs. 1 and 2 further show a main cam shaft23, a picot bar shifting mechanism '54 to allow the arm 52 to engage areverse tooth of the ratchet Wheel 53, thereby preventing movement oi'lthe wheel 39 for more than one notch at each turning impulse of themember 42. The latter is connected by a pinv 58 to one end of a link 59,the other end of which is connected by a pin 82/to the upper end of anupright arm 63 of a bell crank lever 64 pivotally mounted on a shaft 61,and having a generally horizontal arm 68 carrying a detent 69 at itsfree end forwardly of the machine. The arm 63 carries a roller follower12` for cooperation with a cam '13 onthecam shaft 23.

` A latch arm 14, pivotally mounted on a vertical pin 11 on the frontbeam I3, as shown in Fig. 3, is for holding the detent SS and the arm 68of the bell crank 64 in positions corresponding l to the position of thefollower 12 on the high point of the cam 13, to which the follower ismoved by the cam, after an actuation of the ratchet wheel 39. A spring18,l connected between a hook 19 on the link 59 and a bracket 82 on theback beam I9, biases the follower 12 toward the P, an auxiliary patterncontrol shaft A, a back f narrowing shaft 24, a front narrowing shaft21, picot points 28, on picot bars B, lever arms 29 pivotally mountingthe bars B on picot bar shifting rods R disposed one at each side oi theshifting mechanism P, picot bar raising and lowering devices E, lockingdevices L, and auxiliary pattern control chains for controlling thedevices E and L, respectively.

Fig. 3 shows further, a center bed 25, and a pawl and ratchet mechanismC for rotating the auxiliary pattern control shaft A, journaled inbrackets, such as the bracket 31 secured to a bar88 fixed to the centerframes i1. The device C comprises a ratchet wheel 38 xed vto the shaftA, a rocking member 42 pivotally mounted on the shaft A. A detent 43,pivotally mounted on a pin 44 in the bracket 31, and biased toward theratchet wheel 38 by a spring 41 connected to a stationary part of themachine frame, operates to prevent backward turning of the ratchetwheel. A pawl 48, pivotally mounted on the rocking member 42 by a pin 49operates in response to clockwise movement of the member 42, as viewedin Fig. 3, to advance the auriliary pattern control shaft A. A detentarm 52, also pivo'tally mounted on the pin 44, cooperates with anotherratchet wheel 53 iixed to the ratchet wheel 38, and has its teeth facingin reverse direction to the teeth of the wheel 39. A pin 54 on thedetent 52 cooperates with a hook like linger 51 on the pawl 48 suchthat, as the pawl 48 is moved clockwise to advance the ratchet wheel 89,the nger 51 cooperates with the pin cam 13, ythe detent 69 toward thelatch arm 1t, and the pawl 48 in reverse direction. The latch arm 14 isconnected to a rod 83, along the front of the machine, for operation bya main pattern device M (Fig. 4), in a well known manner.

Fig. 3 also shows portions of a narrowing machine N, see Fig. 4, theseportions being one arm 81, of several curved arms 81, 88 and 89, as seeninother figures, each fixed at one end to the back narrowing shaft 24and carrying at its other end the front narrowing shaftZl. These armsare similan'but numbered 81, 88 and 89, because the arms 81 are plain,or of usual character, the arms 88 carrying portions of the raising andlowering devices E and the arms 89 carrying portions of the lockingdevices L, as will appear.

' Also shown in Fig. 3, are a verge plate 92, sinlrers 83, dividers Vl,jacks 95, and a cock box 88 mounted on a guide rail 99.

'Ihe dividers 94 are moved forwardly and back- Wardly by a catch bar|92, which receives its movement, from a plain knitting cam |93 and anarrowing cam |05 on the cam shaft 23 through linkage comprising a camfollower |04, a back catch bar lever |01 on a shaft |08, and an uprightlever |99 having an adjustable pivot connection |12 to a horizontallever H3. The follower |94 is biased toward its cams |03 and |05 by aspring ||4 that is connected between a hook extension ||1 of the catchbar lever |01 and a bracket H8 securedto the front beam I8. The sinkers93 are engaged and disengaged by the catch bar |02 by means of a frontcatch bar linkage-comprising a plain knitting cam H9 and narrowing cam|20, a cam follower |22, a front catch lever |23, a shaft |24, a link|21, a vertical lever |28, and a horizontal link |29.

Needles |32, two banks or sets of which are disposed between each pairof adjacent center frames l1, are held by clamps |33 to a needle bar |34which is pivotally connected, by a bracket |31 xed thereto, and a. pin|38, to a lifting arm |139 on a needle bar lifting shaft |42, on whichis mounted an arm |43 carrying a cam follower |44 on a shaft |41. Thearm |43 is connected, by a spring |48, to a bracket |49 on the back beam$9. The follower Mil cooperates with a knitting cam |52 and a narrowingcam 5| on the cam shaft 23.

Forward and rearward movement of the needles is effected by a fork |53xed to the needle bar |34, and, pivotally connected to a lever |54having a notch |51 for resting the lever I 54 0n a pin |58 projectingfrom the side of a presser lever |59. 'I'he latter is carried by apressershaft |62,

and carries a follower |63 for cooperation with aA presser cam |64 and anarrowing cam |65.

Dipping movements of the front narrowing shafts 21 about the axis of theback narrowing shaft 24 are effected by the downward and upward movementof links |61, each pivotally connected at its upper end to the frontnarrowing shaft 21, and at its lower end to a lever |68. Each` shaft 2|1occur throughout the operation" of the machine.

Referring to 5, a follower 232. for actua tion by a-picot bar shiftingcam 233, and for riding on a circular cam 236 during plain knitting, iscarried by a lever 234.1;hat is secured to a shan 231 m a bracket m onthe back beam la.

and is acted upon by a spring 239,4through another lever arm 235 on theshaft 231, .tobias the follower 232 toward the cam 233. The spring 239is connected between a hook 242, on the lever235,

lever |68 is pivotally mounted on the machine unit M comprises a bracket|19 on the front beam i8, a sprocket wheel device |82 on a shaft |83 anda pattern chain |94. The chain |84 is supported along the front ofthemachine on idler rollers (not shown) secured to the front beam |8. Astub shaft |92 is supported in the bracket |19 transversely to the camshaft. A tension spring |98, connected between a slide member |99 towhich the stub shaft is fixed and a stationary hook 202 on the bracket|19, tends to move the stub shaft |92, whereby to move a follower |93from an inactive position between shogging cams |94 and |91 to an activeposition, also between these cams, when it engages face-cam portions ofthe cams to shog the cam shaft 23. This tendency of the spring |98 isnormally prevented by a latch which is released by a button on the chain|84. The stub shaft |92. and the follower |93 thereon, are returned tolatched inactive position, against the action of the spring |98, bycooperation between a cam 201 on the cam shaft 23, and a follower 203 onthe slide |99.

A narrowing head N, of which there are two, but only one is shown,comprises carriernuts 209 mounted on a spindle (not shown) journaled inbearing blocks 2|2. Another spindle 2|4 controls point rods 2|1 and 2|0(Figs. 5 and 6). The point rods 2|1 and 2|8 carry point combs 222 and223, respectively, and are longitudinally slidably mounted in brackets224, 225 and 226, carriedby the front narrowing shaft 21.

The actuating mechanism for the narrowing head is of usual construction,comprising a ratchet device actuated by a lever 221 which, when the Ycam shaft 23 is shifted to the right, inthe manner above described,engages a narrowing head actuating cam. The narrowing heads cooperate,in a usual manner, to control the position of the point or narrowingrods 2|1 and 2|8, and point combs 222 and 223 carried thereby, and alsoto control the traverse of the yarn carrier rods, in a well knownmanner. That is, the spindle2|4 of the narrowing rods, and theirassociated devices, intermittently rack the narrowing fingers in eachknitting section inwardly during the narrowing operations in theproduction of plain knit fabric,

and the yarn carrier nuts 209 control Athe posi -tions of end stops 229to progressively decrease the traverse of the yarn carrier rods, l

Mechanism (not shown), similar to mechanism illustrated in my abovementioned patent may be employed to prevent lhe operation of thenarrowing head mechanism N and the end stop mechanisms S by shifting therollers on the levers 221, in instances where dipping movements of -thenecticn, through a 303 that is longitudinally slidably mountedin .a

and a' bracket 243 securedto the backbeam. I9. An upright rod244 ispivotally connected, at its lower end. by a pin241 to the lever235. and,at its upper end, is pivotally connected by la. pin 248, to a lever 249on the backnarrowlngshaft 24. The lever 249 isconnected'byapinZlZ"tofone end of a curvedllnk 253 which"is connected,at its other endv by a pin 254. to va'cranl`clli:e wedge lever, orpicotbar shift actuator 251,fpivot`ed-on the front narrowing shaft 21.The front end of the actuator 251, see Figs. 6, 1 and 8, constitutes awedge 258 for operation between,afcijustable` contact elements `259, in`the form of headed screws, screwed into the adjacent .endsiof the'provided-one pcot bar shifting rods R whioh'are for each halfof themachine: f. Y The rods R. are normally biased longitudinally toward eachother, and toward the wedge 268', by

springs 262 coiled around the rods, each between vone of the brackets226. and an arm 263 secured to the shifting rods R and 'the picot'barsB; Collars 264, adjustably fixed tothe bars R; limit movement of lthecontact elements Steward-'the wedge 258, by engagement of thepcollarswith brackets 261 which support guard members 268 for shielding thepicot points in the upper, 011 in-l l,

active, positions thereof, as will be understood from Fig. 9.

Referring particularly to Figs. 9 to 15. each point lrod bracket 225 hasfront grooves in which the point rods 2 1 and 2|8 are slidabl-y fitted,substantiauy flush with the front face of the bracket. against which issecured an element 281 in the nature of a cover, or retainer for therods, pro viding a slideway 288 for a rack 289, and func` tioning as ajournal bearing for a. pinion 290, longitudinally slidably mounted onthe picot bar shifting rod R by a key 295 fixed to the pinion andlocated in a keyway 296 in the rod R.

' At its upper` end, each rack 289 carries a pin 293 disposed in theslot provided between the jaws of a blfurcate end 294 of a lever 291,thereby providing a lost motion pivotal connection between the rack 289and the lever 291 which is pivotally mounted, intermediate its ends by apin 288, on one of the curved arms 88 oi the other end 299 of each levern 29'! sii'nilal'ly is of bifurcate form having a lost a motion pivotalconpin 302, to a plunger 4or rod bracket 304 on the back narrowing shaft24, and' carries at its lower end on a .pin 301, a roller ork follower308 for cooperationwith a camrning chain 309 on a sprocket wheel SI2fixed to the auxiliary pattern control shaft A. The plunger 303 and thefollower 308are biased towardvv the chain 309 by a spring 3|4 connectedbetween a pin 3|1 on the bracket 304 and a pin V3|8 on. a sleeve 3|9.The latter'surrounds the plunger rod 303 along which it is adjustablysecured, as by screws 322, and acts as a lower limit` stop to thedownward movement of the plunger. This lower limit, as shown, is suchthat the follower 308- highv link point 338.. ofthe chain 389, whichalso" has another high linkor links 333.

The operation. of the above-describedpicot bar lraising andloweringvmetrzhani'sniy E is such that,

withthe picot bar.. Bk in lits uppermostposition.. kas shown in Fig.,10, and the plunger 303.he1d in its uppermost Position by the holdingarm323 and the chain l309 advancing' clockwise, Vwhen the pinV 331l engagesand moves' the arm 323 sumciently; the contact e1ement321 releases the,dely

tent" navwhereupon, since the 'fouoweimis opposite the high'liiik 338,it will, ',uponfur# ther movement of the chain, ridegradually'dow'nwardly to a position-close to, but noty touching,

the low links 325. rAs the follower so moves, the

plunger actuates the lever 291 to raise the rack 239,whichfaction'rota'tes the pinion clockwise i about the rod l?, tolowerthepi'cot ba'r B from its upperor inactive Iposition of Fig. loto itslower or active position relative-to the needles I 32 '-ready for thedipping action above described.-

`After this action,A andl the horizontal shift action, completing themaking of a picot course, the high link 339 raises the follower 308whereby the holding arm 323 holds the plunger 303, the bar B,`and the.picot barin upper positions, in which the picot points -are shielded bythe guard 238.

In the lower position of the bar B, the parts are positioned, as shownin Fig. 6, with the contact elements 259 in position for .shiftingmovement by the Wedge 258 to effect the horizontal or shifting action ofthe picot points. As the bar B is raised from its lower position of Fig.6 to its upper position of Fig. '7, a collar 342, fixed to the rod R, asby a pin 343, and having a cam face 344, causes this face to engage astationary pin or follower 341 on the covery element 281 of the bracket224,. This action forces the collar cam 342 and the picot bar shiftingrod R to` be moved axially tothe left, as viewed inA Figs. 6. and 7,against the action of the spring 252, from the position. of Fig. 6, inwhich the contact elements 259 are within working range of the wedge258, to the position of Fig. '1, in which the contact elements 259 areentirely out of range of the movement of the wedge, whereby to vavoidhaving the picot bars shifted duringnarrowing by the combs 222l and 223.matically rendered inactive during nar-rowing, as distinguished fromprior machines in which this .action is effected by hand. j f

As shown more clearly in Figs. 1'7 to 21, inclusive, each' lockingvdevice L is somewhat slmilr in construction and operation to each picotbar raising and lowering device E above set forth, and comprises thebracket 228 having grooves in which the narrowing point rods 211 and 218are slidably tted, and against the front face of which bracket issecured an element 343 in the nature of a cover, or retainer forthe'rods, providing a slideway 349 Vfor a locking bar or plunger 352,and constituting a journal bearing for the picot bar shifting rod R. Aslide bearing plate or element 358 is secured to the brack- Thus, thepicot bars are automessage et 225 for the lock bar 352 between thebracket and the element 348, as by screws 35i.

At its upper end, each lock bar 352 carries a pin 353 disposed betweenthe jaws of a bifurcate end 354 of a lever 351, thereby providing a lostmotion pivotal connection between the lock bar 352 and the lever 351,which is pivotally mounted, between its ends, by a pin'358, on thecorresponding curved arm 89 of the locking device L. The other end 359of each lever 351 is also of bifurcate construction having a lost motionpivotal connection to a pin v362 at the upper end of a lplunger or rod363 that is longitudinally'slidablymounted ina bracket 364 on the backnar- 'I rowing'lshaft 24, andcarries, at its lower end,'on v apin 351 arollerfollower 368 for cooperation with a camming chain 369 on asprocket wheel 312 Afixed to the auxiliary pattern control vshaft kAiThis plungerv 363,'and the' follower 368, are

biased toward the chain 369 by a spring 313 connected between a Ipin 314on the bracket 364 and a pin 311 on a sleeve 318. The sleeve 318surrounds they plunger 363 along which it is adjustably secured, as byscrews 380, and acts as 'a lowerlimit stop to the downward movement ofthe plunger.` This lower limit is also such that the follower 368 nevertouches, or rides on, low links 319 of the chain 359. Y

A latch or holding arm 382 is pivotally mounted by a. pin 383 on thebracket 364, and carries a shoulder element 384 for position under'adetent 381 on an element 388 near the bottom of the plunger 363 in whichthe pin 361 is journaled. A spring 389, connected between a pin 392 onthe holding arm 382 and a pin 393 on the bar 38, biases the holding arm382 toward a pin 394 extending laterally from the side of a high link391 of the chain 869.'

The lower end of the lock bar 352 is tapered or beveled to facilitateits easy entry between locking or dentent jaws 402 at the free end of anarm 403 having its other end 404 fixed to the picot bar shifting rod R,as by screws 401. The jaws 402 are lowered, from an upper inactiveposition of Fig. 20, to a lower active position of Fig. 19, by therotation of the rod R by the rack 289, and the pinion 290, of the deviceE above set forth.

'I'he operation of the locking device L is such that, with the picot barB in its lower position, and the plunger 363 in its lower position aslimited by the sleeve 318, when the chain 359 advances against thefollower 368, the plungerv 383 is elevated to lower the lock bar 352 tolock the latter to the jaws 402. At the same time, the holding arm 382engages the detent 381 to latch the plunger 363 in its upper position.

During the time that the follower 368 is opposite the high link 391, thedipping and shifting movements of the picot bars B occur, which actioncauses the plunger and its associated parts to pivot about the axis oftheback narrowing shaft 24. During this pivoting movement, the follower368, being held by the arm 382, rides off the high link 391, and returnsto this high link on the rise of the picot bar at they end of the picotforming operation. After this operation, the cam element or pin 394releases the holding arm 382 for lowering of the plunger 363, andrelease of the lock element 352, when the follower 368 rides oi the highlink 391.

By the relation of the high links 338 and 339, on the chain 309, to thehigh link 391 on the chain 369, see Fig. 17, the locking device E isthereby actuated to locking position only during i 'aa'oasbs 5 thedifferent operating movement of theV picot bar represented by thedipping and shifting movements thereof, to avoid posible misalignment ofthe picot points with the needles under the tension of the fabric beingknitted. '3f

Of course, the improvements specifically'shown and described by which Iobtain the above result-s, can be changed and modified in, various wayswithout departing from the inventionV herein disclosed and hereinafterclaimed.

1. In a straightknitting machinea' 'pl,urality of cooperating elements,means for' imparting predetermined active movement to said elementsrelative to each other, means'for imparting a second active movement tosaid elements relative to each other different from said -firs'tlactivemovement, means for automatically moving said elements between activeand inactive positions relative to each other, means whereby said twoactive movements are imparted to said elements when in active positiononly, said automatic means including a cam element, and a follower iorsaid cam element, said cam element operating to provide for movement ofsaid follower between active and inactive positions of the follower withrespect to the cam element, and -means for holding said follower in saidinactive position;r 1

2. In a full fashioned knitting machine, a needle bank, a narrowingmachine, narrowing and lace points on said narrowing machine,"a devicefor shifting said lace points, means for moving said lace points betweenactive and inactive positions relative to the needles, means forautomatically rendering said shiftingmeans inei'fective to shift saidlace points in said active position, one of said means including acamielement,.and a follower for said'cam element, said cam elementoperating to provide for movement of said follower between active andinactive-positions of the follower with respect to :the cam element, andmeans for holding said-follower in said inactive position.

3. In a straight knitting machine "needle means, one or more needlecooperating implements for movement between a plurality'of'locationswhen positioned for cooperating with said needle means and havingoperative movement while in one of said locations, means for lockingsaid implement or implements in each of said plurality oi locations,said locking means including a cam element, and a follower for said camelement, said cam element operating to provide for movement of saidfollower between active and inactive positions with respect to the camelement, and mean for holding said follower in said inactive position.

4. In a straight knitting machine, a fplurality of cooperating elements,means for imparting predetermined active movement to said elementsrelative to each other, means for imparting a. second active movement tosaid elements relative to each other different from said rst activemovement, means for automatically moving said elements between activeand inactive positions relative to each other, means for imparting saidtwo active movements to said elements when in active position only,means for locking said elements in position during each of said activemovements, said automatic means including a cam element, and a followerfor said cam element, said cam element operating to provide for movementof said follower between active and inactive positions with respect tothe cam, and means for holding said follower in said inactive position.

ij' In a fun fashioned knitting' machine, a nee# *die bank, a Vnarrowingmachine including a front 'fnarrowin'gshaft, a lever carried by saidshaft pivotally. mounted at one end adjacent thereto and carrying anelement at the free end of the lever for cooperation with said needlebank, said lever being 4pivotally movable to move said element betweenan upper inactive position and a 'lower' active position relative to theneedles,`

' io'meansfor automatically moving said lever from active position toinactive position and from in- '4 active position to active position,means including an actuator for shifting said lever parallel to itspivot axis, and means responsive to downward and upward movement of saidlever for movingthe lever into and vout of operative relation',respectively, to said actuator.

6. Ina full fashioned knitting machine, a needle bank, a narrowingmachine including a front m narrowing shaft, a lever carried by saidshaft pivotally mounted at one end adjacent thereto and carrying anelement at the free end of the lever for cooperation with said needlebank, said lever'being pivotally movable to move said eleg5 ment betweenan upper inactive position and a lower active position relative to theneedles, means for automatically moving said lever from active positionto inactive position and from inactive position to active position,means includ- V ing'an actuator for shifting said lever parallel to itspivot axis, and means including a cam and "follower device responsive todownward and upward movement of said lever for moving the lever into andout of loperative relation, respectively,

to -said actuator.

` 7. In a full fashioned knitting machine, a needle'bank, a narrowingmachine including a front narrowing shaft, a lever carried by said shaftpivotally mounted at one end adjacent thereto 40 and carrying an elementat the free end of the lever for cooperation with said needle bank, saidlever being pivotally movable to move said element between an upperinactive position and a lower active position relative to the needles,pat- '45 tern means, means for actuating said pattern means, meansresponsive .to actuation of said pattern means'for positively moving andoontrolling said lever from active position to inactive position andfrom inactive position to active position, means carried by said frontnarrowing shaft for locking said lever in its said lower position, andmeans for actuating said locking means.

8. In a full fashioned knitting machine, a needle bank, a narrowingmachine including a front narrowing shaft, a lever carried by said shaftpivotally mounted at one end adjacent thereto and carrying an element atthe free end of the lever for cooperation with said needle bank, saidlever being pivotally movable to move said element between an upperinactive position and a lower active position relative to the needles,means for actuating said lever'between said upper and lower positions,means carried by said front narrowing shaft for locking said lever inits said lower position,v "and means for actuating said locking means,each of said actuating means including a cam, a follower for the cam,and latching means controlled by the cam for causing the follower tooccupy active and inactive tions relative to the cam at predeterminedtimes.

9. Ina full fashioned knitting machine, a needle bank, a narrowingmachine, narrowing and lace points on said narrowing machine, means forshifting said lace points, pattern means,

means for actuating pattern means, means responsive to actuation of saidpattern means for positively moving and controlling said lace pointsfrom active position to inactive position and from inactive position toactive position relative to the needles, and means automaticallyresponsive to'movement of the lace points to said inactive position forrendering said shifting means ineffective o shift said lace points andto movement of the lace points to said active position lto shift saidlace points in said inactive position.

11. In a full fashioned knitting machine, a needle bank, a narrowingmachine., narrowing and lace points on said narrowing machine, means forshifting said lace points, pattern means, means for actuating saidpattern means, means responsive to the actuation of said pattern meansfor positively moving and controlling said 'lace points from activeposition to inactive position and from inactive position to activeposition relative to the needles, and means automatically responsive tomovement cf the lace points to said inactive position for rendering saidshifting means ineffective to shift said lace points and to movement ofthe lace points to said active position for rendering said shiftingmeans eiiective to shift said lace points.

12. In a straight knitting machine, needle means, one or more needlecooperating implements for movement between a plurality of locationswhen positioned for cooperation with said needle means and havingoperative movement While in one of said locations, pattern means, meansfor actuating said pattern means, means responsive to the actuation ofsaid pattern means for positively moving and controlling said needlecooperating implement or implements from said position to an inactiveposition and from inactive position to said active position relative tosaid for positively moving and controlling said needle cooperatingimplement or implements from said position to an inactive position andfrom inactive relation to saidpattern means to be controlled thereby foractuating said implement or imnarrowing machine for movement relativethere-V to between active and inactive positions relative to said needlebank, pattern means, means including a follower for operative relationto said pattern means to be controlled thereby foractuating saidimplement or implements, and means responsive to said movement forrendering said actuating means ineffective to actuate said im plementswhile maintaining the follower in the plane of the pattern means.

16. In a straight knitting machine, a plurality of groups of cooperatingelements, means for imparting predetermined active movement to saidgroups relative to each other, means for imparting a second activemovement to said groups relative to each other different from said firstactive movement, pattern means, means for actuating said pattern means,means responsive to actuation of said Apattern means for positivelymoving and controlling one of said groups from active position toinactive position and from inposition to said active position relativeto said y needle means. means for locking said implement or implementsin each of said plurality of locations, and means for automaticallyactuating said locking means.

14. In a straight knitting machine` needle means, one or more needlecooperating implements movable between active and inactive positionsrelative to said needle means, pattern means, means including a followerfor operative active position to active position relative to the other,means for imparting said two active movements to said groups when saidone group is in active position only, and means for locking said onegroup of elements in position during each of said active movements. l

17. In a straight knitting machine, loop forming means, one or more loopmanipulating implements having predetermined active movement relative tosaid loop forming means, means for imparting a second active movement tosaid one or more implements which is different from said first activemovement, pattern means, means for actuating said pattern means, meansresponsive to actuation of said pattern means for positively moving andcontrolling said one or more imple-V ments from active position toinactive position and from inactive position to active position relativeto said loop forming means, means for imparting said two activemovements to the implements when in active position only, and means forlocking said implements in position during each of said activemovements.

18. In a full fashioned knitting machine, a needle bank, a narrowingmachine, narrowing and lace points on said machine for dippingmovementthereby. means for shifting said lace points, pattern means,means for actuating said pattern means, means responsive to actuation ofsaid pattern means for positively moving and controlling said lacepoints from -active position to inactive position and from inactiveposition to active position relative to the needles, means for renderingsaid shifting means ineffective to shift said lace points in saidinactive position. and means for locking said lace points in positionrelative to said narrowing machine during each of the dipping andshift-ing movements.

i9. In a straight knitting machine, in combination, a group of knittingneedles and a group of implements for operating on loops on saidneedles, a support for said implement group adapted for a certain cycleof movements, some parallel to the plane of movement of said needles andothers in a planesubstantially at right angles to the plane of said somemovements, a mounting for said implement group on said support adaptedto hold the implement group in dilierent positions in one of -which theimplements'act on loops on the needles within the period of' said cycleof movements of said support and in the other of which the implements donot affect the loops on the needles, means for moving said supportthrough said cycle of movements, pattern means, means for actuating saidpattern means, and means responsive to the actuation of said patternmeans for positively movingr said implement mounting from one of saidpositions to the other.

20. In a. straight knitting machine, the combination as set forth inclaim 19, together with means for positively locaing the mounting of theimplement group in the position in which the implements will act on theloops during the movement cycle of the support, and means for releasingsaid locking means.

21. In a knitting machine, a member arranged to be moved through anoperating cycle, detent means arranged to maintain said member inactiveat one point in said cycle, means having a continuous surfacecontrolling the movement of said member through its entire operatingcycle. and means actuated by said latter means and arranged torelease'said detent means when said latter means is in cooperativerelation with said member.

ALFRED E. ISCHINGER.

CERTIFICATE OF CORRECTION. Patent No. 2,266,595. December 16, 19MB..ALFRED E. ISCHINGER.

ofthe above numbered patent requiring correction as follows: Page b,second column, line h1, for "dentent" read -detent; page 5, firstcolumn, line lili, claim 5, after "machine" and before "needle" insert acomma,- line same claim, for "cooperating" read -cooperationfg and line56, same claim 5, for "mean" read -means; and that the said LettersPatent should be read'with this correction thereinv that the same mayconform to the reoord of the case 1n Athe Patent office.

Signed and sealed this, 10th day of February, A. D. 1914.2.

Henry Van Arsdale, (Sell) Acting Commissioner of Patents.

